September 1939- occupation of the entire Upper Silesia by Germany

September 1939- occupation of the entire Upper Silesia by Germany, 1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 8. 5. 1945 - End of WWII, 1948 - 1955 - Politic lawsuit in the Stalin age and 2 more anniversaries

2. 10. 1938 - Poland's annexation of Teschen area, September 1939- occupation of the entire Upper Silesia by Germany, 8. 5. 1945 - End of WWII, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 21. 8. 1968 - Invasion of the Warsaw Pact troops

1944 - 1945 - The liberation of Czechoslovakia, The liberation of the city of Ostrava, September 1939- occupation of the entire Upper Silesia by Germany, 21. 8. 1968 - Invasion of the Warsaw Pact troops

September 1939- occupation of the entire Upper Silesia by Germany, March 1945 - the occupation of Upper Silesia by the Soviet army

September 1939- occupation of the entire Upper Silesia by Germany, 1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation, July - septemper - Aktion Ř - forceful concentration of Czech nuns